Chemistry: An Introduction to General, Organic, and Biological Chemistry (12th Edition)

by Timberlake, Karen C.

Published by Prentice Hall

ISBN 10: 0321908449

ISBN 13: 978-0-32190-844-5

Chapter 4 - Section 4.7 - Trends in Periodic Properties - Challenge Questions - Page 131: 4.105a

Answer

There are 38 protons and electrons in Sr.

Work Step by Step

This particular isotope has 49 neutrons. (87-38)

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